/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

.z82f37container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
.z82f37header {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.z82f37header .z82f37container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.z82f37logo h1 {
    font-size: 24px;
    color: #2c3e50;
}

/* 导航栏基础样式 */
.z82f37main-nav {
    position: relative;
}

.z82f37main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.z82f37main-nav li {
    margin-left: 30px;
}

.z82f37main-nav a {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: color 0.3s;
    display: block;
    padding: 5px 0;
}

.z82f37main-nav a:hover {
    color: #3498db;
}

/* 移动端菜单按钮 */
.z82f37mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: #2c3e50;
    cursor: pointer;
    padding: 5px;
    z-index: 1002;
}

/* 移动端导航样式 */
@media (max-width: 768px) {
    .z82f37header {
        position: static;
        z-index: 1000;
    }
    .z82f37header .z82f37container {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px 8px 0 8px;
        height: auto;
        padding-bottom: 0 !important;
    }
    .z82f37main-nav {
        position: static;
        background: none;
        box-shadow: none;
        transform: none;
        opacity: 1;
        visibility: visible;
        width: 100%;
        margin-top: 0;
        padding: 0;
        overflow-x: auto;
        overflow-y: hidden;
        white-space: nowrap;
        border-radius: 0;
        margin-bottom: 0 !important;
        padding-bottom: 0 !important;
    }
    .z82f37main-nav ul {
        display: flex !important;
        flex-direction: row !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        overflow-y: hidden !important;
        white-space: nowrap !important;
        width: 100%;
        margin: 0;
        padding: 0 0 0 0;
        gap: 0;
        scrollbar-width: none;
        margin-bottom: 0 !important;
        padding-bottom: 0 !important;
    }
    .z82f37main-nav ul::-webkit-scrollbar {
        display: none;
    }
    .z82f37main-nav li {
        display: inline-block !important;
        margin: 0 8px 0 0 !important;
        padding: 0 !important;
        border: none !important;
        width: auto !important;
        vertical-align: middle;
        margin-bottom: 0 !important;
        padding-bottom: 0 !important;
    }
    .z82f37main-nav li:last-child {
        margin-right: 0 !important;
    }
    .z82f37main-nav a {
        display: inline-block !important;
        font-size: 13px !important;
        color: #333 !important;
        background: rgba(255,255,255,0.7) !important;
        border-radius: 6px !important;
        padding: 7px 12px !important;
        margin: 0 !important;
        font-weight: 500 !important;
        text-decoration: none !important;
        box-shadow: none !important;
        border: none !important;
        transition: background 0.2s, color 0.2s !important;
        vertical-align: middle !important;
        margin-bottom: 0 !important;
        padding-bottom: 0 !important;
    }
    .z82f37main-nav a:hover {
        background: #4ECDC4 !important;
        color: #fff !important;
        text-decoration: none !important;
    }
    .z82f37logo {
        margin-bottom: 2px;
    }
}

@media (max-width: 576px) {
    .z82f37header .z82f37container {
        padding: 8px 12px;
    }

    .z82f37logo h1 {
        font-size: 18px;
    }

    .z82f37mobile-menu-btn {
        font-size: 20px;
    }

    .z82f37main-nav {
        top: 50px;
    }

    .z82f37main-nav a {
        padding: 10px 15px;
        font-size: 14px;
    }

    /* 调整主内容区域的上边距 */
    main {
        margin-top: 0 !important;
    }
}

/* 英雄区域样式 */
.z82f37hero {
    background: linear-gradient(135deg, #FF6B6B, #4ECDC4);
    color: white;
    padding: 160px 0 80px;
    text-align: center;
    overflow: hidden;
}

.z82f37hero .z82f37container {
    position: relative;
}

.z82f37hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.z82f37hero-text {
    flex: 1;
    text-align: left;
    padding-right: 40px;
}

.z82f37hero-text h2 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.z82f37hero-text p {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.9;
}

.z82f37hero-image {
    flex: 1;
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.z82f37hero-image img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* 按钮样式 */
.z82f37btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    margin: 0 10px;
}

.z82f37btn-primary {
    background: #e74c3c;
    color: white;
}

.z82f37btn-secondary {
    background: transparent;
    border: 2px solid white;
    color: white;
}

.z82f37btn-download {
    background: #3498db;
    color: white;
}

.z82f37btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* 功能特点区域 */
.z82f37features {
    padding: 80px 0;
    background: #f8f9fa;
    position: relative;
    overflow: hidden;
}

.z82f37features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0,0,0,0.1), transparent);
}

.z82f37section-title {
    text-align: center;
    font-size: 36px;
    margin-bottom: 30px;
    color: #2c3e50;
    position: relative;
    padding-bottom: 15px;
}

.z82f37section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #FF6B6B, #4ECDC4);
    border-radius: 3px;
}

.z82f37features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 20px;
    margin-top: 20px;
}

.z82f37feature-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.z82f37feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #FF6B6B, #4ECDC4);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.z82f37feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.z82f37feature-card:hover::before {
    opacity: 1;
}

.z82f37feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #FF6B6B, #4ECDC4);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: transform 0.3s ease;
}

.z82f37feature-card:hover .z82f37feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.z82f37icon {
    font-size: 30px;
    color: white;
}

.z82f37feature-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.z82f37feature-content h3 {
    font-size: 20px;
    color: #2c3e50;
    margin-bottom: 10px;
}

.z82f37feature-content p {
    color: #666;
    margin-bottom: 15px;
    font-size: 15px;
    line-height: 1.4;
}

.z82f37feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 15px 0;
    flex: 1;
}

.z82f37feature-list li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 8px;
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

.z82f37feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4ECDC4;
    font-weight: bold;
}

.z82f37feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
}

.z82f37tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(78, 205, 196, 0.1);
    color: #4ECDC4;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.z82f37feature-card:hover .z82f37tag {
    background: rgba(78, 205, 196, 0.2);
    transform: translateY(-2px);
}

/* 下载中心样式 */
.z82f37download-section {
    padding: 60px 0;
    background: #f8f9fa;
    position: relative;
}

.z82f37download-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 70%);
    z-index: 0;
}

.z82f37download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 40px;
    position: relative;
    z-index: 1;
}

.z82f37download-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    max-width: 350px;
    margin: 0 auto;
}

.z82f37download-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.z82f37download-platform {
    padding: 15px 20px;
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    color: #fff;
    display: flex;
    align-items: center;
    gap: 15px;
}

.z82f37platform-icon {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.z82f37platform-info h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
}

.z82f37version-info {
    margin-top: 5px;
    display: flex;
    gap: 12px;
    font-size: 13px;
    opacity: 0.9;
}

.z82f37download-content {
    padding: 20px;
}

.z82f37system-requirements,
.z82f37feature-highlights {
    margin-bottom: 15px;
}

.z82f37system-requirements h4,
.z82f37feature-highlights h4 {
    color: #333;
    font-size: 16px;
    margin-bottom: 10px;
    font-weight: 600;
}

.z82f37system-requirements ul,
.z82f37feature-highlights ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.z82f37system-requirements li,
.z82f37feature-highlights li {
    padding: 6px 0;
    color: #666;
    font-size: 14px;
    display: flex;
    align-items: center;
}

.z82f37system-requirements li::before,
.z82f37feature-highlights li::before {
    content: '✓';
    color: #4a90e2;
    margin-right: 8px;
    font-weight: bold;
}

.z82f37download-actions {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.z82f37btn-download {
    display: inline-block;
    padding: 10px 25px;
    background: #4a90e2;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
    width: 100%;
    font-size: 14px;
}

.z82f37btn-download:hover {
    background: #357abd;
    transform: translateY(-2px);
}

.z82f37download-meta {
    margin-top: 12px;
    display: flex;
    justify-content: space-between;
    color: #888;
    font-size: 12px;
}

/* 使用指南板块 */
.z82f37guide-section {
    padding: 40px 0;
    background: #f8f9fa;
    position: relative;
}

.z82f37guide-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    opacity: 0.1;
}

.z82f37guide-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 20px;
    position: relative;
    z-index: 1;
}

.z82f37guide-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.z82f37guide-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.z82f37guide-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 15px auto 0;
    color: #fff;
    font-size: 20px;
    transition: all 0.3s ease;
}

.z82f37guide-card:hover .z82f37guide-icon {
    transform: scale(1.05);
}

.z82f37guide-content {
    padding: 15px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.z82f37guide-content h3 {
    margin: 10px 0 5px;
    color: #333;
    font-size: 18px;
    text-align: center;
}

.z82f37guide-content p {
    margin: 0 0 15px;
    color: #666;
    font-size: 13px;
    text-align: center;
    line-height: 1.4;
}

.z82f37guide-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
}

.z82f37guide-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px;
    background: #f8f9fa;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.z82f37guide-item:hover {
    background: #e8f0fe;
    transform: translateX(3px);
}

.z82f37guide-badge {
    background: #4a90e2;
    color: #fff;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}

.z82f37guide-item i {
    color: #4a90e2;
    font-size: 16px;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.z82f37guide-text {
    flex: 1;
}

.z82f37guide-text h4 {
    margin: 0 0 3px;
    color: #333;
    font-size: 14px;
}

.z82f37guide-text p {
    margin: 0;
    color: #666;
    font-size: 13px;
    line-height: 1.4;
    text-align: left;
}

.z82f37guide-tags {
    display: flex;
    gap: 8px;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid #eee;
}

.z82f37guide-tag {
    background: rgba(74, 144, 226, 0.1);
    color: #4a90e2;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    transition: all 0.3s ease;
}

.z82f37guide-tag:hover {
    background: rgba(74, 144, 226, 0.2);
    transform: translateY(-1px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .z82f37guide-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .z82f37guide-content {
        padding: 12px;
    }

    .z82f37guide-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .z82f37guide-content h3 {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .z82f37guide-section {
        padding: 30px 0;
    }

    .z82f37guide-item {
        padding: 6px;
    }

    .z82f37guide-text h4 {
        font-size: 13px;
    }

    .z82f37guide-text p {
        font-size: 12px;
    }

    .z82f37guide-tags {
        flex-wrap: wrap;
    }
}

/* 功能详解标签页 */
.z82f37feature-tabs {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.z82f37tab {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.z82f37tab.active {
    background: #e8f0fe;
    border-left: 4px solid #4a90e2;
}

.z82f37tab h4 {
    margin: 0 0 10px;
    color: #333;
    font-size: 16px;
}

.z82f37feature-list {
    margin: 0;
    padding-left: 20px;
    color: #666;
    font-size: 14px;
}

.z82f37feature-list li {
    margin-bottom: 5px;
}

/* 使用技巧 */
.z82f37tips-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.z82f37tip-item {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
}

.z82f37tip-item:hover {
    background: #e8f0fe;
    transform: translateY(-2px);
}

.z82f37tip-icon {
    font-size: 24px;
    margin-bottom: 10px;
}

.z82f37tip-item h4 {
    margin: 0 0 5px;
    color: #333;
    font-size: 16px;
}

.z82f37tip-item p {
    margin: 0;
    color: #666;
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .z82f37guide-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .z82f37tips-grid {
        grid-template-columns: 1fr;
    }

    .z82f37guide-header {
        padding: 15px;
    }

    .z82f37guide-content {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .z82f37guide-section {
        padding: 40px 0;
    }

    .z82f37guide-header h3 {
        font-size: 18px;
    }

    .step-content h4 {
        font-size: 15px;
    }

    .step-content p {
        font-size: 13px;
    }
}

/* 页脚样式 */
.z82f37footer {
    background: #222;
    color: #fff;
    padding: 40px 0 0 0;
    font-size: 15px;
}

.z82f37footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #333;
}

.z82f37footer-links h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #fff;
}

.z82f37footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z82f37footer-links li {
    margin-bottom: 6px;
}

.z82f37footer-links a {
    color: #bbb;
    text-decoration: none;
    transition: color 0.2s;
}

.z82f37footer-links a:hover {
    color: #fff;
}

.z82f37footer-ads {
    min-width: 120px;
    max-width: 200px;
}

.z82f37footer-contact {
    min-width: 150px;
    max-width: 220px;
    padding: 0 10px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.z82f37footer-bottom {
    text-align: center;
    padding: 18px 0 0 0;
    color: #aaa;
    font-size: 13px;
}

.z82f37footer-bottom a {
    color: #4ECDC4;
    text-decoration: underline;
}

.z82f37footer-bottom a:hover {
    color: #FF6B6B;
}

.z82f37back-to-top {
    position: fixed;
    right: 30px;
    bottom: 30px;
    background: #4ECDC4;
    color: #fff;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    z-index: 999;
    transition: background 0.2s;
}

.z82f37back-to-top:hover {
    background: #FF6B6B;
}

/* 响应式设计优化 */
@media (max-width: 1200px) {
    .z82f37container {
        max-width: 960px;
        padding: 0 15px;
    }

    .z82f37hero-content h2 {
        font-size: 42px;
    }

    .z82f37features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .z82f37container {
        max-width: 720px;
    }

    .z82f37hero-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .z82f37hero-text {
        padding-right: 0;
    }

    .z82f37hero-image {
        max-width: 80%;
        margin: 0 auto;
    }

    .z82f37download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .z82f37container {
        max-width: 540px;
    }

    .z82f37header .z82f37container {
        flex-direction: column;
        height: auto;
        padding: 15px;
    }

    .z82f37main-nav {
        width: 100%;
        margin-top: 15px;
    }

    .z82f37main-nav ul {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .z82f37main-nav li {
        margin: 0;
    }

    .z82f37hero {
        padding: 120px 0 60px;
    }

    .z82f37hero-content h2 {
        font-size: 32px;
    }

    .z82f37hero-content p {
        font-size: 16px;
    }

    .z82f37features-grid,
    .z82f37guide-grid,
    .z82f37faq-grid,
    .z82f37updates-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .z82f37download-grid {
        grid-template-columns: 1fr;
    }

    .z82f37section-title {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .z82f37feature-card,
    .z82f37guide-card,
    .z82f37faq-card,
    .z82f37update-card {
        padding: 20px;
    }

    .z82f37feature-icon,
    .z82f37guide-icon,
    .z82f37faq-icon {
        width: 40px;
        height: 40px;
    }

    .z82f37feature-content h3,
    .z82f37guide-content h3,
    .z82f37faq-content h3 {
        font-size: 18px;
    }

    .z82f37btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}

@media (max-width: 576px) {
    .z82f37container {
        padding: 0 10px;
    }

    .z82f37header .z82f37container {
        padding: 10px;
    }

    .z82f37logo h1 {
        font-size: 20px;
    }

    .z82f37hero {
        padding: 100px 0 40px;
    }

    .z82f37hero-content h2 {
        font-size: 24px;
    }

    .z82f37hero-content p {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .z82f37hero-image {
        max-width: 100%;
    }

    .z82f37section-title {
        font-size: 24px;
        margin-bottom: 15px;
    }

    .z82f37feature-card,
    .z82f37guide-card,
    .z82f37faq-card,
    .z82f37update-card {
        padding: 15px;
    }

    .z82f37feature-icon,
    .z82f37guide-icon,
    .z82f37faq-icon {
        width: 35px;
        height: 35px;
        margin: 10px;
    }

    .z82f37feature-content,
    .z82f37guide-content,
    .z82f37faq-content {
        margin-left: 45px;
    }

    .z82f37feature-content h3,
    .z82f37guide-content h3,
    .z82f37faq-content h3 {
        font-size: 16px;
        margin-bottom: 10px;
    }

    .z82f37feature-content p,
    .z82f37guide-content p,
    .z82f37faq-content p {
        font-size: 13px;
    }

    .z82f37feature-list li,
    .z82f37guide-list li,
    .z82f37faq-list li {
        font-size: 13px;
    }

    .z82f37btn {
        padding: 8px 16px;
        font-size: 13px;
        margin: 5px;
    }

    .z82f37download-platform {
        padding: 10px;
    }

    .z82f37platform-icon {
        width: 30px;
        height: 30px;
        font-size: 16px;
    }

    .z82f37platform-info h3 {
        font-size: 14px;
    }

    .z82f37version-info {
        font-size: 12px;
    }

    .z82f37download-content {
        padding: 12px;
    }

    .z82f37system-requirements h4,
    .z82f37feature-highlights h4 {
        font-size: 14px;
    }

    .z82f37system-requirements li,
    .z82f37feature-highlights li {
        font-size: 12px;
    }

    .z82f37download-meta {
        font-size: 11px;
    }
}

/* 打印样式优化 */
@media print {
    .header,
    .hero,
    .download-section,
    .footer {
        display: none;
    }

    .z82f37container {
        max-width: 100%;
        padding: 0;
    }

    .z82f37features,
    .z82f37guide-section,
    .z82f37faq-section,
    .z82f37updates-section {
        padding: 20px 0;
    }

    .z82f37feature-card,
    .z82f37guide-card,
    .z82f37faq-card,
    .z82f37update-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
}

/* 版本更新样式 */
.z82f37updates-section {
    padding: 40px 0;
    background: #f8f9fa;
    position: relative;
}

.z82f37updates-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 150px;
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 70%);
    z-index: 0;
}

.z82f37updates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
    position: relative;
    z-index: 1;
}

.z82f37update-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
}

.z82f37update-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.z82f37update-header {
    padding: 15px 20px;
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.z82f37version-badge {
    font-size: 18px;
    font-weight: 600;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 6px;
}

.z82f37update-date {
    font-size: 14px;
    opacity: 0.9;
}

.z82f37update-content {
    padding: 20px;
}

.z82f37update-content h3 {
    color: #333;
    font-size: 20px;
    margin-bottom: 15px;
    font-weight: 600;
}

.z82f37update-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.z82f37feature-group h4 {
    color: #4a90e2;
    font-size: 16px;
    margin-bottom: 10px;
    font-weight: 600;
}

.z82f37feature-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z82f37feature-group li {
    color: #666;
    font-size: 14px;
    padding: 6px 0;
    display: flex;
    align-items: center;
}

.z82f37feature-group li::before {
    content: '✓';
    color: #4a90e2;
    margin-right: 8px;
    font-weight: bold;
}

.z82f37update-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #eee;
}

.z82f37update-type {
    font-size: 13px;
    color: #4a90e2;
    font-weight: 500;
}

.z82f37update-size {
    font-size: 13px;
    color: #888;
}

.z82f37update-timeline {
    margin-top: 40px;
    position: relative;
    padding-left: 30px;
}

.z82f37update-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e0e0e0;
}

.z82f37timeline-item {
    position: relative;
    padding-bottom: 25px;
}

.z82f37timeline-item:last-child {
    padding-bottom: 0;
}

.z82f37timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #4a90e2;
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px #4a90e2;
}

.z82f37timeline-date {
    font-size: 14px;
    color: #888;
    margin-bottom: 5px;
}

.z82f37timeline-content {
    background: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.z82f37timeline-content h4 {
    color: #333;
    font-size: 16px;
    margin-bottom: 5px;
    font-weight: 600;
}

.z82f37timeline-content p {
    color: #666;
    font-size: 14px;
    margin: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .z82f37updates-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .z82f37update-features {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .z82f37update-header {
        padding: 12px 15px;
    }

    .z82f37version-badge {
        font-size: 16px;
    }

    .z82f37update-content {
        padding: 15px;
    }

    .z82f37update-content h3 {
        font-size: 18px;
    }

    .z82f37update-timeline {
        padding-left: 25px;
    }

    .z82f37timeline-item::before {
        left: -29px;
    }
}

@media (max-width: 480px) {
    .z82f37updates-section {
        padding: 40px 0;
    }

    .z82f37updates-section::before {
        height: 100px;
    }

    .z82f37update-header {
        padding: 10px 15px;
    }

    .z82f37version-badge {
        font-size: 14px;
        padding: 3px 10px;
    }

    .z82f37update-date {
        font-size: 12px;
    }

    .z82f37update-content {
        padding: 12px;
    }

    .z82f37update-content h3 {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .z82f37feature-group h4 {
        font-size: 14px;
    }

    .z82f37feature-group li {
        font-size: 13px;
    }

    .z82f37update-meta {
        flex-direction: column;
        gap: 5px;
        align-items: flex-start;
    }

    .z82f37update-type,
    .z82f37update-size {
        font-size: 12px;
    }

    .z82f37update-timeline {
        margin-top: 30px;
        padding-left: 20px;
    }

    .z82f37timeline-item::before {
        left: -24px;
        width: 8px;
        height: 8px;
    }

    .z82f37timeline-date {
        font-size: 12px;
    }

    .z82f37timeline-content {
        padding: 12px;
    }

    .z82f37timeline-content h4 {
        font-size: 14px;
    }

    .z82f37timeline-content p {
        font-size: 12px;
    }
}